condition mean min max 12pM Fe 39.95655 37.1242 42.7889 58pM Fe 25.418300000000002 22.7052 28.1314 233pM Fe 13.0709 13.0709 13.0709 1160pM Fe 16.15546785714286 13.04345 19.267485714285716 Dark 13.626702666666667 9.63564 17.617765333333335 Light 11.624633846153847 11.624633846153847 11.624633846153847 Phloroglucinol 30.7971 30.7971 30.7971